Buffer overflow in the CharDistributionAnalysis::HandleOneChar function in Mozilla Firefox before 18.0, Thunderbird before 17.0.2, and SeaMonkey before 2.15 allows remote attackers to execute arbitrary code via a crafted document.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17086
https://bugzilla.mozilla.org/show_bug.cgi?id=780979
http://www.ubuntu.com/usn/USN-1681-4
http://www.ubuntu.com/usn/USN-1681-2
http://www.ubuntu.com/usn/USN-1681-1
http://www.mozilla.org/security/announce/2013/mfsa2013-02.html
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00006.html